Skull kettlebell



FIG. 1 shows a front perspective view of a skull kettlebell.

FIG. 2 shows a front view of a skull kettlebell.

FIG. 3 shows a back view of a skull kettlebell.

FIG. 4 shows a side view of a skull kettlebell.

FIG. 5 shows a top view of a skull kettlebell; and,

FIG. 6 shows a bottom view of a skull kettlebell. 

CLAIM The ornamental design for a skull kettlebell, as shown and described. 